<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="first/b.do">
    名字：<input type="text" name="name"><br/>
    年龄：<input type="number" name="age"><br/>
    爱好：<input type="checkbox" name="love" value="aa">AA
    <input type="checkbox" name="love" value="bb">BB
    <input type="checkbox" name="love" value="bb">CC
    <button>提交</button>
</form>

<form action="first/c.do">
    编号：<input type="text" name="id"><br/>
    姓名：<input type="text" name="name"><br/>
    年龄：<input type="number" name="age"><br/>
    性别：<input type="radio" name="sex" value="a" checked>男
    <input type="radio" name="sex" value="b">女
    <button>提交</button>
</form>

<form action="first/e.do" method="post">
    <button>提交</button>
</form>

<hr/>
<a href="first/g.do?">1</a>
<a href="first/g.do?page=2">2</a>
<a href="first/g.do?page=3">3</a>
</body>
</html>